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cbmem: Add utility to get memory region occupied by cbmem 

Change-Id: I8e57c23565f173afc0f4d450579b8bfb35aeb964
Signed-off-by: Alexandru Gagniuc <alexandrux.gagniuc@intel.com>
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/13363
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Alexandru Gagniuc 2015-11-16 13:26:33 -08:00 committed by Aaron Durbin
parent 1e70cda320
commit 555d6c2161
2 changed files with 10 additions and 1 deletions
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2
src/include/cbmem.h
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@ -109,6 +109,8 @@ int cbmem_recovery(int s3resume);
void *cbmem_add(u32 id, u64 size);
/* Find a cbmem entry of a given id. These return NULL on failure. */
void *cbmem_find(u32 id);
/* Get location and size of CBMEM region in memory */
void cbmem_region_used(uintptr_t *base, size_t *size);
/* Indicate to each hook if cbmem is being recovered or not. */
typedef void (* const cbmem_init_hook_t)(int is_recovery);

9
src/lib/imd_cbmem.c
View File

@ -263,12 +263,19 @@ void *cbmem_entry_start(const struct cbmem_entry *entry)
return imd_entry_at(imd, cbmem_to_imd(entry));
}
void cbmem_region_used(uintptr_t *base, size_t *size)
{
void *baseptr;
imd_region_used(cbmem_get_imd(), &baseptr, size);
*base = (uintptr_t)baseptr;
}
void cbmem_add_bootmem(void)
{
void *base = NULL;
size_t size = 0;
imd_region_used(cbmem_get_imd(), &base, &size);
cbmem_region_used(base, &size);
bootmem_add_range((uintptr_t)base, size, LB_MEM_TABLE);
}